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Downloaded from http://journals.lww.com/jcat by BhDMf5ePHKbH4TTImqenVA5KvPVPZ0P5BEgU+IUTEfzO/GUWifn2IfwcEVVH9SSn on 06/03/2020 ORIGINAL ARTICLE Low Dose Computed Tomography for 3D Planning of Total Hip Arthroplasty: Evaluation of Radiation Exposure and Image Quality Alexander Huppertz, MD,*† Alexander Lembcke, MD,† El-hadi Sariali, MD,‡ Tahir Durmus, MD,† Carsten Schwenke,§ Bernd Hamm, MD,† Martin Sparmann, MD,|| and Alexander D. J. Baur, MD† (3D) THA planning. Benefits are the avoidance of magnification Objective: The aim of the study was to compare radiation exposure and errors as well as the availability of additional axial planes. Conse- image quality between dedicated computed tomography (CT) protocols for quently, intraoperative difficulties can be anticipated. A high ac- preoperative total hip arthroplasty (THA) planning. curacy for forecasting the size and the position of cup and stem, Methods: Three protocols with automated tube current modulation using as well as avoiding limb length discrepancies, can be achieved 64-slice (n = 177) and 128-slice CT scanners without (n = 129) and with 6–9 resulting in a superior short- and long-term clinical outcome, automated tube voltage preselection (n = 84) were compared. especially with the use of noncemented pressfit modular implants Results: All 390 CTs were of sufficient quality for THA planning. Mean for both the femoral and
Journal of Computer Assisted Tomography – Wolters Kluwer Health
Published: Oct 1, 2015
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